They are increasing due to longer life expectancies, because of the increase of technology, and the increase of regulations in the workforce ex. Britian in the Industrial revolution
There are many possible costs of using renewable energy in that they take large investments upfront to build infrastructure that will then be able to create savings in the long run of using renewable energy. In addition renewable energies are often more expensive in the short run in comparison to fossil fuel energies. The costs are usually in regards to building or implementing new technologies like wind mills or solar panels.
British colonial rule in India is best described as a combination of direct and indirect rule. The correct option among all the options that are given in the question is option "d". The Britishers came to India for the purpose of trading, but later on they were able to colonize India and rule for about 100 years.<span />